Aluminum flouride + sulfuric acid=

The enthalpy of formation of CO2 at 25oC is - 393.51 kJ/mol. What is the enthalpy of formation at 500 oC?

An unstable nucleus loses the most mass if the nucleus emits (1) an alpha particle (3) a positron (2) a beta particle (4) a gamma ray

What is the similarity between a modern computer and older computer?

A solution is prepared by dissolving 1.25 grams of silver chromate in 1.5 liters of water. After the solution was prepared, an additional 250. mL of water was added to it.

Rank in terms of number of atoms O-16, O-17 and C-12

True or false. A bond between a metal atom and a nonmetal atom is likely an iconic bond

What is a precipitate? It is a liquid that forms from solution during a chemical reaction. It is a reactant that forms from solution during a chemical reaction. It is a solid that forms from solution during a chemical reaction.

The electron configuration for an atom is 1s22s22p2. How many electrons does the atom have? 4 2 6 5

When a piece of sodium carbonate reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then the solution turns milky and a white precipitate Y is formed a. Write the chemical formula of X, Y and (3) b.

Would precipitation occur when 500 mL of a 0.02M solution of AgNO3 is mixed with 500 mL of a 0.001M solution of NaCl? Show your work.